{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf579f690f1a3b81def8287634802d08286ccde463c420d7d9cc8fdbcc8d2e2ea",
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}